/Engine/Source/Editor/BlueprintGraph/Classes/EdGraphSchema_K2.h
Try to create a promotion from one type to another in order to make a connection between two pins.
True if the promotion and connection were successful; False if the connection failed.
virtual bool CreatePromotedConnection ( [UEdGraphPin](API\Runtime\Engine\EdGraph\UEdGraphPin) * A, [UEdGraphPin](API\Runtime\Engine\EdGraph\UEdGraphPin) * B ) const